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Cell phone batteries do have finite life spans, and most begin to lose capacity after a couple of years. It is time to change the battery in a mobile phone if it struggles to hold a charge or drains faster than usual. Frequent travelers and road warriors may also need spare batteries to make their smartphones last through busy days. Staples® carries a wide selection of cell phone accessories including batteries and their chargers.

How to Pick the Right Cell Phone Batteries for SmartphonesIn most cases, the battery in a cell phone is unique to that model. To find the right batteries for their smartphones, shoppers need to search with the model numbers of their devices. Cell phone makers often make variants of the same devices for different carriers. To find the right replacement battery, search with the actual name and model number of the phone rather than its carrier-given name. Look for this information in the product manual or on the back of the device. Models with removable batteries often have this information printed on labels inside their battery compartments. Shoppers can also search with battery model numbers. Each cell phone battery has a unique identifying code printed on it.

Supplement Cell Phone Batteries With Power BanksPower banks are portable external batteries for charging mobile devices. They are perfect for recharging cell phones on the go and are excellent alternatives to spare batteries. With the right cable, a power bank can charge any smartphone. It can replace multiple spare mobile phone batteries and also power other portable electronic devices that charge over USB. Key factors to consider when shopping for external battery packs include capacity, size, and weight.

Manufacturers quote battery capacity in mAh. A power bank with a capacity between 5000 and 10000mAh can recharge most smartphones once or twice. To charge two cell phones, or a phone and a tablet simultaneously, get a battery pack rated at 15000 to 20000mAh. High-capacity power banks are larger and heavier than those with lower capacities. Choose a bulky model to take on a long camping or work trip and a smaller, lightweight unit for the daily commute.

Are Third-Party Cell Phone Batteries Good Replacements for OEM Ones?Yes. OEM (original equipment manufacturer) batteries are the same as the ones shipped the cell phone. However, these are usually only available for models that are still in production. For other models, third-party mobile phone batteries are often the only available option. Pay close attention to product descriptions when shopping for these and only choose those made by reputable, well-reviewed brands. Before ordering a third-party cell phone battery, make sure its voltage and capacity match the ones printed on the original battery.

Do All Cell Phone Batteries Use Lithium Cells?Most modern smartphones use lithium-ion and lithium polymer batteries. These outperform the nickel-cadmium and nickel-metal hydride batteries found in older cell phones. They also have higher capacities and are not susceptible to memory effect.

Should You Consider Refurbished Cell Phone Batteries?Only consider a refurbished OEM cell phone battery. Although taken from pre-owned devices, manufacturer-refurbished batteries are high-quality accessories optimized for specific mobile phone models. These usually have features that promote safe charging and discharging.